How do you write $700,000$ in scientific notation?

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Answer 1 · 2016-07-29T01:42:19

$7.0xx10^5$

We want our number in the form:

$"decimal"xx10^"movement of the point"$

Write your number and localize the decimal point:

$700,000color(red)(.)$

now move the point to the left up to reaching the first non-zero number:

$7.00000$

Count the movements of your point (5 movements to the left) and use this value as positive exponent of $10$ :

$7.0xx10^5$

How do you write 700,000700,000 in scientific notation?